Overview
The MC78LC33NTRG is a fixed output low dropout linear voltage regulator from ON Semiconductor, designed for handheld communication equipment and portable battery-powered applications. This regulator is part of the MC78LC00 series, which is known for its ultra-low quiescent current of 1.1 µA. The device is housed in a micro-miniature Thin SOT23-5 surface mount package, making it ideal for space-constrained designs. It features a voltage reference unit, an error amplifier, a PMOS power transistor, and resistors for setting the output voltage, ensuring high accuracy and stability.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage (TA = 25°C, Iout = 1.0 mA) | Vout | 3.234 | 3.3 | 3.366 | V |
| Quiescent Current (Iout = 1.0 mA to Iout(nom.)) | IQ | - | 1.1 | 3.6 | µA |
| Maximum Operating Voltage | Vin | - | - | 12 | V |
| Output Current | Iout | - | - | 80 | mA |
| Dropout Voltage | Vdo | - | - | 30 | mV |
| Output Noise Voltage (f = 1.0 kHz to 100 kHz) | Vn | - | 89 | - | µVrms |
| Output Voltage Temperature Coefficient | Tc | -100 | - | - | ppm/°C |
| Package Type | - | - | - | Thin SOT23-5 | - |
Key Features
- Ultra-low quiescent current of 1.1 µA typical, making it suitable for battery-powered applications.
- Excellent line and load regulation for stable output voltage.
- Maximum operating voltage of 12 V.
- Low output voltage options available, including 3.3 V.
- High accuracy output voltage with a tolerance of ±2.5%.
- ESD protection exceeding Human Body Model 2000 V per MIL-STD-883, Method 3015 and Machine Model 200 V.
- Compatible with low-cost ceramic capacitors and requires a minimum output capacitor of 0.1 µF.
Applications
The MC78LC33NTRG is designed for use in handheld communication equipment and portable battery-powered applications. It is particularly suitable for devices that require low power consumption and high efficiency, such as:
- Mobile phones and other handheld communication devices.
- Portable audio and video players.
- Wearable electronics and IoT devices.
- Battery-powered sensors and monitoring systems.
Q & A
- What is the typical quiescent current of the MC78LC33NTRG?
The typical quiescent current is 1.1 µA.
- What is the maximum operating voltage for the MC78LC33NTRG?
The maximum operating voltage is 12 V.
- What is the output current capability of the MC78LC33NTRG?
The output current capability is up to 80 mA.
- What is the dropout voltage of the MC78LC33NTRG?
The dropout voltage is approximately 30 mV.
- What type of package does the MC78LC33NTRG come in?
The device is housed in a Thin SOT23-5 surface mount package.
- Does the MC78LC33NTRG have ESD protection?
Yes, it exceeds the Human Body Model 2000 V per MIL-STD-883, Method 3015 and Machine Model 200 V.
- What is the minimum output capacitor required for the MC78LC33NTRG?
The minimum output capacitor required is 0.1 µF.
- What are the standard output voltage options for the MC78LC00 series?
Standard output voltage options include 1.5, 1.8, 2.5, 2.7, 2.8, 3.0, 3.3, 4.0, and 5.0 V.
- Can I get other output voltages besides the standard options?
Yes, other voltages are available in 100 mV steps upon request by contacting an ON Semiconductor representative.
- What is the output voltage temperature coefficient of the MC78LC33NTRG?
The output voltage temperature coefficient is -100 ppm/°C.
